Home / 35,280.24-52,941.12-13,109.20

Finding the Fourth Proportional to 35,280.24, 52,941.12 and 13,109.20

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Solution

The fourth proportional to 35,280.24, 52,941.12 and 13,109.20 is: 19,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.24 : 52,941.12 = 13,109.20 : x
  2. Step 2: Convert to fraction form
    35,280.24/52,941.12 = 13,109.20/x
  3. Step 3: Cross multiply
    35,280.24x = 52,941.12 × 13,109.20
  4. Step 4: Simplify right side
    35,280.24x = 694,015,730.30
  5. Step 5: Solve for x
    x = 694,015,730.30/35,280.24
  6. Step 6: Final answer
    x = 19,671.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.